EP0413348B1 - Halbleitende integrierte Schaltung - Google Patents
Halbleitende integrierte Schaltung Download PDFInfo
- Publication number
- EP0413348B1 EP0413348B1 EP90115799A EP90115799A EP0413348B1 EP 0413348 B1 EP0413348 B1 EP 0413348B1 EP 90115799 A EP90115799 A EP 90115799A EP 90115799 A EP90115799 A EP 90115799A EP 0413348 B1 EP0413348 B1 EP 0413348B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spiral
- semiconductor substrate
- disposed
- integrated circuit
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 title claims description 51
- 239000000758 substrate Substances 0.000 claims description 45
- 239000004020 conductor Substances 0.000 claims description 25
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 5
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 claims description 2
- 230000003071 parasitic effect Effects 0.000 description 12
- 230000001939 inductive effect Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000000059 patterning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001481166 Nautilus Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/10—Inductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
- H01F21/08—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/64—Impedance arrangements
- H01L23/645—Inductive arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/004—Printed inductances with the coil helically wound around an axis without a core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0046—Printed inductances with a conductive path having a bridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0086—Printed inductances on semiconductor substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
Definitions
- the present invention relates to a semiconductor integrated circuit as stated in the preamble of claim 1.
- Such kind of semiconductor integrated circuit is already known from GB-A-2 173 956.
- This known semiconductor integrated circuit comprising:
- a search coil is already known suitable for detecting variations in flux.
- coils of simple and complex coil-loop configurations are made by printed circuit techniques, and a specific coil structure can consist of different coil-loop configurations on different sides of a board which are connected by a wire running through the board.
- a solid state inductor which is formed in a monocrystalline semiconductor body.
- An electrically isolated helix comprised of conductive studs selectively interconnected by electrical contacts circumscribes an electrically isolated core material.
- the studs are comprised of the semiconductor slice material, or are deposited conductor.
- Such solid state inductor can also be part of an integrated circuit.
- the present invention relates to a semiconductor integrated circuit having an inductive structure, particularly for use at high frequencies.
- inductors are the most difficult to form in integrated circuits. Inductors present difficulties because they require relatively large areas and/or volumes to achieve useful values of inductance. In addition, the traditional three-dimension character of inductors is difficult to realize within integrated circuits that are essentially two-dimensional in character.
- this object is achieved with a semiconductor integrated circuit, according to claim 1.
- an electrically conducting spiral is disposed on a surface of a semiconductor substrate.
- the spiral includes an external end disposed outside the spiral and an internal end disposed within the spiral.
- An electrical lead on the first surface of the semiconductor substrate reaches the internal end of the spiral through two vias and an electrical conductor on the second surface of the semiconductor substrate.
- Another electrical lead on the first surface of the semiconductor substrate reaches the external lead.
- the semiconductor substrate is interposed between the cross over of the lead from the internal end and the spiral, thereby significantly reducing the parasitic capacitance.
- Figure 1 is a perspective view of a prior art spiral inductor.
- Figures 2(a) and 2(b) are plan and sectional views, respectively, of a prior art spiral inductor.
- Figures 3(a), 3(b), and 3(c) are perspective, plan, and sectional views, respectively, of a prior art inductor employing two electrically interconnected spirals.
- Figure 4 is a perspective view of a spiral inductor in an embodiment of the invention.
- Figures 5(a), 5(b), and 5(c) are a perspective and two sectional views, respectively, of a spiral inductor in another embodiment of the invention.
- Figure 1 is a perspective view of a prior art inductor disposed on a semiconductor substrate 1 that may be gallium arsenide.
- an electrical conductor 2 arranged in a spiral pattern is disposed on a first surface of the substrate 1.
- the term "spiral" means a winding that increases in diameter with reference to a central point as the conductor becomes longer.
- the spiral may be smooth, gradually increasing in diameter like the shell of a nautilus, or have corners with angular turns like the ninety degree turns shown in Figure 1.
- the spiral is formed of a metal that is deposited by evaporation or by plating and includes an external end 3 lying outside the spiral and an internal end 4 disposed at the inside of the spiral.
- external end 3 is connected to a terminal 5 for ease of connection by wire bonding or other techniques to other circuit components.
- Internal end 4 is connected through a lead 6 to a terminal 7 for making external connections.
- Lead 6 must cross over and, therefore, be electrically insulated from windings of the conductor 2.
- An electrically conducting ground plane 8 is disposed on the opposite side of substrate 1 from the conductor 2.
- FIGS 2(a) and 2(b) a plan view and a sectional view of a prior art inductor similar in structure to the inductor of Figure 1 is shown.
- An electrically insulating air bridge 9 including an air space 10 is part of lead 6, providing the electrical insulation from the turns of the conductor 2.
- the air bridge is formed by conventional technology employing a temporary support, such as a polyimide or photoresist film, covering the windings 2 while the metal comprising air bridge 9 is deposited. After that metal is deposited, the temporary support is removed, for example, with a solvent, leaving a free standing air bridge.
- the spacing between the metal of the air bridge and the conductors 2 is, at most, a few microns. Because of this close spacing, even though the dielectric constant of the air between lead 6 and windings 2 is relatively low, a significant parasitic capacitance exists between the windings 2 and the lead 6 at air bridge 9.
- FIGs 3(a), 3(b), and 3(c) an inductive structure disclosed in Japanese Published Utility Model Application 60-136156 is shown in perspective, plan, and sectional views, respectively.
- a substrate 1, that may be a semiconductor material, employed with the structure is not shown in Figure 3(a) for clarity.
- the inductive structure of Figures 3(a)-3(c) includes two spiral electrical conductors 2 and 12 that are disposed opposite each other.
- the internal end 4 of spiral 2 is electrically connected to an external end 13 of spiral 12 through an electrical conductor 15.
- the inductive structure has a first terminal 5 electrically connected to the external end 3 of spiral 2 and a second terminal 7 connected to the internal end 14 of spiral 12.
- FIG. 3(a) Realization of the inductive structure shown schematically in Figure 3(a) is indicated in the cross-sectional view of Figure 3(c).
- the structure is produced by depositing patterns of metal in conjunction with insulating layers 20, 30, 40, and 50 successively disposed on substrate 1. Initially, after the deposition of insulating layer 20, a window is opened for establishing contact with a highly conductive region 1a in substrate 1. Then, spiral 2 is formed by depositing and patterning a metal. Thereafter, insulating layer 30 is deposited and a window is opened for making a connection to the internal end 4 of spiral 2. After a subsequent metal deposition and patterning to form an interconnection with conductor 15, insulating layer 40 is deposited and a window opened. After still another metal deposition and patterning to form spiral 12, making an electrical connection in the window at the external end 13 of spiral 12, a final, electrically insulating layer 50 is deposited.
- the inductance of the structure shown in Figures 3(a)-3(c) is the inductance of the individual spirals plus a mutual inductance between the two spirals. Since the mutual inductance between the two spirals is greater than if they were side-by-side, the total inductance is increased over that of two side-by-side spirals and a smaller volume is occupied.
- the fabrication process for the structure of Figures 3(a)-3(c) is extremely complex and, as in the prior art device described with respect to Figures 2(a) and 2(b), the spacing between the two spirals is limited by the thickness of the insulating layers 20, 30, 40, and 50. Therefore, a significantly increased parasitic capacitance is produced by the structure of Figures 3(a)-3(c), limiting its useful frequency range.
- Figure 4 a perspective, schematic view of an embodiment of the invention is shown in which an intervening semiconductor substrate 1, illustrated in Figures 5(b) and 5(c), is omitted for clarity.
- the inductive structure includes a spiral conductor 2 having an external end 3 and an internal end 4 disposed on a first surface of an electrically insulating semiconductor substrate (not shown). Internal end 4 is electrically connected to a lead 6 not by an air bridge structure but by a via and lead arrangement.
- a via 21 includes a via hole penetrating the semiconductor substrate 1 from the surface of the substrate on which spiral 2 is disposed to the opposite surface of the semiconductor substrate and an electrically conductive material filling the via hole.
- An electrical conductor 22 is disposed on the opposite surface of the semiconductor substrate from the spiral 2 and is in electrical contact with via 21.
- a second electrically conducting via 23 outside spiral 2 also penetrates the semiconductor substrate. That via 23 is in electrical contact with conductor 22 and with lead 6 so that an external electrical connection can be made to internal end 4 of spiral 2 from the side of the semiconductor substrate on which spiral 2 is disposed.
- the embodiment of the invention shown in Figures 4 and 5(a)-5(c) is produced by conventional techniques including preparing the via holes, filling them with metal to complete the vias, and subsequently depositing and patterning electrical conductors on both sides of the semiconductor substrate to complete the electrical connections. These processing steps can be carried out in various orders.
- the spiral conductor 2 can be deposited and patterned first, the via holes then produced and filled with metal, and the structure completed by depositing and patterning conductor 22 at the rear surface of the semiconductor substrate 1.
- the semiconductor substrate 1 may consist gallium arsenide or indium phosphide. Gallium arsenide is preferred for high frequency applications.
- the invention has the advantage that the inductive structure is directly integrated into a semiconductor integrated circuit.
- the semi-insulating semiconductor substrate on which the spiral is disposed and in which the vias are formed have formed on and in it active components, such as transistors and diodes, and other passive elements, together forming an integrated circuit.
- a second electrically conducting spiral 12 is disposed on the surface of the semiconductor substrate opposite the surface bearing spiral 2.
- the internal end of spiral 2 disposed on the first surface of the semiconductor substrate 1 is electrically connected by means of a via 21.
- via 21 extends through the semiconductor substrate 1 and is electrically connected to the second spiral 12.
- Spiral 12 is connected to a lead 6 through a second via 23.
- the semiconductor substrate 1 is disposed between the spiral 2 and conductor 22 and, as indicated in Figures 5(a)-5(c), the second spiral 12.
- the relatively large thickness of the semiconductor substrate significantly reduces the parasitic capacitance of the novel structure.
- the dielectric constant of air employed in the air bridge 9 of the prior art structure shown in Figure 2(b) is one whereas for a semiconductor substrate 1, such as gallium arsenide, the dielectric constant is about twelve.
- the increase in the spacing between the conductors in the invention hundreds of microns versus a few microns in the air bridge structure of Figures 2(a)-2(b), results in a substantial reduction in the parasitic capacitance in the invention.
Claims (4)
- Integrierte Halbleiterschaltung mit:- einem elektrisch isolierenden Halbleitersubstrat (1) mit einer ersten und einer zweiten Fläche, die voneinander abgewandt sind;- aktiven oder passiven Elementen auf oder innerhalb des Halbleitersubstrats (1);- einem elektrischen Leiter, der als erste Spirale (2) auf der ersten Fläche des Halbleitersubstrats (1) angeordnet ist, die ein außerhalb dieser ersten Spirale (2) angeordnetes äußeres Ende (3) als erste Zuleitung und ein innerhalb dieser ersten Spirale (2) angeordnetes inneres Ende (4) aufweist;- einer zweiten Zuleitung (6), die auf der ersten Fläche des Halbleitersubstrats (1) außerhalb der ersten Spirale (2) angeordnet ist, wobei elektrische Verbindungen zur ersten Spirale (2) auf der ersten Fläche des Halbleitersubstrats (1) vorgenommen werden können; und- einem elektrisch leitenden Verbinder (22), der unter der ersten Spirale (2) angeordnet ist, um die zweite Zuleitung (6) mit dem inneren Ende (4) der ersten Spirale (2) zu verbinden;
dadurch gekennzeichnet, daß- ein erster und ein zweiter elektrisch leitender Durchgang (21, 23) von der ersten zur zweiten Fläche durch das Halbleitersubstrat (1) hindurchgehen;- der elektrisch leitende Verbinder (22) auf der zweiten Fläche des Halbleitersubstrats (1) angeordnet ist;- der erste Durchgang (21) das innere Ende (4) der ersten Spirale (2) mit dem Verbinder (22) verbindet und- der zweite Durchgang (23) den Verbinder (22) mit der zweiten Zuleitung (6) verbindet. - Integrierte Halbleiterschaltung nach Anspruch 1, dadurch gekennzeichnet, daß der auf der zweiten Fläche des Substrats (1) angeordnete elektrisch leitende Verbinder (22) eine zweite Spirale (12) ist.
- Integrierte Halbleiterschaltung nach Anspruch 2, dadurch gekennzeichnet, daß die zweite Spirale (12), wenn sie auf die erste Fläche des Substrats (1) projiziert wird, mit der ersten Spirale (2) verschachtelt ist.
- Integrierte Halbleiterschaltung nach Anspruch 3, dadurch gekennzeichnet, daß das Substrat (1) aus der aus Galliumarsenid und Indiumphosphid bestehenden Gruppe ausgewählt ist.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94116852A EP0643403B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP95100214A EP0649152B1 (de) | 1989-08-18 | 1990-08-17 | Transformator integrierbar mit integriertem halbleitendem Kreis und sein Herstellungsverfahren |
EP94116854A EP0643404B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP94116851A EP0643402B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1213839A JPH0377360A (ja) | 1989-08-18 | 1989-08-18 | 半導体装置 |
JP213839/89 | 1989-08-18 |
Related Child Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116852.8 Division-Into | 1990-08-17 | ||
EP94116851.0 Division-Into | 1990-08-17 | ||
EP94116854.4 Division-Into | 1990-08-17 | ||
EP95100214.6 Division-Into | 1990-08-17 | ||
EP94116854A Division EP0643404B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0413348A2 EP0413348A2 (de) | 1991-02-20 |
EP0413348A3 EP0413348A3 (en) | 1993-03-24 |
EP0413348B1 true EP0413348B1 (de) | 1996-03-27 |
Family
ID=16645882
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116852A Expired - Lifetime EP0643403B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP94116851A Expired - Lifetime EP0643402B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP94116854A Expired - Lifetime EP0643404B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP90115799A Expired - Lifetime EP0413348B1 (de) | 1989-08-18 | 1990-08-17 | Halbleitende integrierte Schaltung |
EP95100214A Expired - Lifetime EP0649152B1 (de) | 1989-08-18 | 1990-08-17 | Transformator integrierbar mit integriertem halbleitendem Kreis und sein Herstellungsverfahren |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94116852A Expired - Lifetime EP0643403B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP94116851A Expired - Lifetime EP0643402B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
EP94116854A Expired - Lifetime EP0643404B1 (de) | 1989-08-18 | 1990-08-17 | Induktive Strukturen für halbleitende integrierte Schaltungen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95100214A Expired - Lifetime EP0649152B1 (de) | 1989-08-18 | 1990-08-17 | Transformator integrierbar mit integriertem halbleitendem Kreis und sein Herstellungsverfahren |
Country Status (4)
Country | Link |
---|---|
US (1) | US5095357A (de) |
EP (5) | EP0643403B1 (de) |
JP (1) | JPH0377360A (de) |
DE (5) | DE69030123T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107731793A (zh) * | 2017-09-14 | 2018-02-23 | 建荣半导体(深圳)有限公司 | 一种半导体片上集成的8字形电感结构及半导体结构 |
Families Citing this family (216)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2941484B2 (ja) * | 1991-05-31 | 1999-08-25 | 株式会社東芝 | 平面トランス |
CA2072277A1 (en) * | 1991-07-03 | 1993-01-04 | Nobuo Shiga | Inductance element |
US5336921A (en) * | 1992-01-27 | 1994-08-09 | Motorola, Inc. | Vertical trench inductor |
JP3141562B2 (ja) * | 1992-05-27 | 2001-03-05 | 富士電機株式会社 | 薄膜トランス装置 |
DE69321432T2 (de) * | 1992-09-10 | 1999-05-27 | Nat Semiconductor Corp | Integrierte magnetische Speicherelementschaltung und ihr Herstellungsverfahren |
EP0600540B1 (de) * | 1992-11-30 | 1998-02-11 | Koninklijke Philips Electronics N.V. | Farbbildröhre mit Konvergenzkorrekturanordnung |
WO1994017558A1 (en) * | 1993-01-29 | 1994-08-04 | The Regents Of The University Of California | Monolithic passive component |
TW275152B (de) * | 1993-11-01 | 1996-05-01 | Ikeda Takeshi | |
US5497028A (en) * | 1993-11-10 | 1996-03-05 | Ikeda; Takeshi | LC element and semiconductor device having a signal transmission line and LC element manufacturing method |
JP3463759B2 (ja) * | 1993-12-29 | 2003-11-05 | ソニー株式会社 | 磁気ヘッド及びその製造方法 |
US5478773A (en) * | 1994-04-28 | 1995-12-26 | Motorola, Inc. | Method of making an electronic device having an integrated inductor |
US5610433A (en) * | 1995-03-13 | 1997-03-11 | National Semiconductor Corporation | Multi-turn, multi-level IC inductor with crossovers |
US6911887B1 (en) | 1994-09-12 | 2005-06-28 | Matsushita Electric Industrial Co., Ltd. | Inductor and method for producing the same |
KR100231356B1 (ko) | 1994-09-12 | 1999-11-15 | 모리시타요이찌 | 적층형 세라믹칩 인덕터 및 그 제조방법 |
US5446311A (en) * | 1994-09-16 | 1995-08-29 | International Business Machines Corporation | High-Q inductors in silicon technology without expensive metalization |
KR100276052B1 (ko) * | 1994-10-04 | 2000-12-15 | 모리시타 요이찌 | 전사도체의 제조방법 및 적층용 그린시트의 제조방법 |
DE4437721A1 (de) * | 1994-10-21 | 1996-04-25 | Giesecke & Devrient Gmbh | Kontaktloses elektronisches Modul |
US5635892A (en) * | 1994-12-06 | 1997-06-03 | Lucent Technologies Inc. | High Q integrated inductor |
US5545916A (en) * | 1994-12-06 | 1996-08-13 | At&T Corp. | High Q integrated inductor |
US5716713A (en) * | 1994-12-16 | 1998-02-10 | Ceramic Packaging, Inc. | Stacked planar transformer |
US6033764A (en) * | 1994-12-16 | 2000-03-07 | Zecal Corp. | Bumped substrate assembly |
JP3487461B2 (ja) * | 1994-12-17 | 2004-01-19 | ソニー株式会社 | 変成器及び増幅器 |
AU4399996A (en) * | 1995-01-12 | 1996-07-31 | Takeshi Ikeda | Tuning circuit |
KR100396630B1 (ko) * | 1995-01-12 | 2003-12-01 | 타케시 이케다 | 동조회로 |
EP0725407A1 (de) * | 1995-02-03 | 1996-08-07 | International Business Machines Corporation | Dreidimensionale integrierte Induktivität |
US6496382B1 (en) | 1995-05-19 | 2002-12-17 | Kasten Chase Applied Research Limited | Radio frequency identification tag |
CA2176625C (en) * | 1995-05-19 | 2008-07-15 | Donald Harold Fergusen | Radio frequency identification tag |
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CN111788588A (zh) | 2017-12-20 | 2020-10-16 | D-波系统公司 | 量子处理器中耦合量子位的系统和方法 |
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1990
- 1990-08-14 US US07/567,170 patent/US5095357A/en not_active Expired - Fee Related
- 1990-08-17 EP EP94116852A patent/EP0643403B1/de not_active Expired - Lifetime
- 1990-08-17 DE DE69030123T patent/DE69030123T2/de not_active Expired - Fee Related
- 1990-08-17 EP EP94116851A patent/EP0643402B1/de not_active Expired - Lifetime
- 1990-08-17 DE DE69032792T patent/DE69032792T2/de not_active Expired - Fee Related
- 1990-08-17 EP EP94116854A patent/EP0643404B1/de not_active Expired - Lifetime
- 1990-08-17 EP EP90115799A patent/EP0413348B1/de not_active Expired - Lifetime
- 1990-08-17 DE DE69030011T patent/DE69030011T2/de not_active Expired - Fee Related
- 1990-08-17 DE DE69026164T patent/DE69026164T2/de not_active Expired - Fee Related
- 1990-08-17 DE DE69030738T patent/DE69030738T2/de not_active Expired - Fee Related
- 1990-08-17 EP EP95100214A patent/EP0649152B1/de not_active Expired - Lifetime
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CN107731793A (zh) * | 2017-09-14 | 2018-02-23 | 建荣半导体(深圳)有限公司 | 一种半导体片上集成的8字形电感结构及半导体结构 |
CN107731793B (zh) * | 2017-09-14 | 2019-12-17 | 建荣半导体(深圳)有限公司 | 一种半导体片上集成的8字形电感结构及半导体结构 |
Also Published As
Publication number | Publication date |
---|---|
DE69032792D1 (de) | 1999-01-07 |
EP0413348A2 (de) | 1991-02-20 |
EP0643404A2 (de) | 1995-03-15 |
EP0649152A2 (de) | 1995-04-19 |
EP0643402A3 (de) | 1995-10-25 |
EP0643402A2 (de) | 1995-03-15 |
EP0413348A3 (en) | 1993-03-24 |
DE69026164D1 (de) | 1996-05-02 |
EP0643403A3 (de) | 1995-10-25 |
DE69030738D1 (de) | 1997-06-19 |
EP0643402B1 (de) | 1997-02-26 |
EP0643404A3 (de) | 1995-11-08 |
JPH0377360A (ja) | 1991-04-02 |
DE69030123T2 (de) | 1997-09-18 |
US5095357A (en) | 1992-03-10 |
DE69032792T2 (de) | 1999-07-01 |
EP0643404B1 (de) | 1997-05-14 |
EP0643403A2 (de) | 1995-03-15 |
EP0649152A3 (de) | 1995-10-25 |
DE69030011T2 (de) | 1997-09-04 |
DE69030011D1 (de) | 1997-04-03 |
EP0643403B1 (de) | 1997-03-05 |
DE69030123D1 (de) | 1997-04-10 |
EP0649152B1 (de) | 1998-11-25 |
DE69026164T2 (de) | 1996-10-31 |
DE69030738T2 (de) | 1997-12-18 |
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